This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

This model using Random function

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Models the behaviour of ​Blood Bank and Hospital blood inventories in response to a step change in the demand for transfusions.  Delays can be set for the delivery of blood to the hospitals and for the response of donors to a request for more blood.

This is a first go at a simple inventory system. No delays between Orders and Deliveries. Inventory fails to attain the level of Desired Inventory.

Replenishment model with Consumption and Lead Time variability.

My first attempt at a "rich pic" to describe an inventory process.

Workforce and Inventory model

Workforce and Inventory model

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Models the behaviour of ​Blood Bank and Hospital blood inventories in response to a step change in the demand for transfusions.  Delays can be set for the delivery of blood to the hospitals and for the response of donors to a request for more blood.

It is Balanced Loop Model of Production. Production is driven by the gap between Target Inventory, inventory and orders.

Workforce, Inventory and Oscillation model from Vensim user guide.

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

Replenishment model with Consumption and Lead Time variability.

Workforce, Inventory and Oscillation model from Vensim user guide.

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.

This is a first go at a simple inventory system. No delays between Orders and Deliveries. Inventory fails to attain the level of Desired Inventory.

This model includes Average Sales in Orders to bring some stability and allows Inventory to attain the level of Desired Inventory.